noun pl. B's, b's

1. the second letter of the English alphabet: from the Greek beta, a borrowing from the Phoenician
2. any of the speech sounds that this letter represents, as, in English, the (b) of boat
3. a type or impression for b or B
4. the second in a sequence or group
5. an object shaped like

adjective

1. of b or B
2. second in a sequence or group
3. shaped like

1. Physics
   1. bar(s)
   2. barn(s)
2. boliviano

noun

1. a blood type
2. ☆ Educ. a grade indicating above-average but not outstanding work a B in French
3. Music
   1. the seventh note or tone in the ascending scale of C major
   2. the scale having this tone as the keynote
   3. a note representing this tone
   4. a key, string, etc. producing this tone

adjective

1. bachelor
2. bacillus
3. Football back
   sometimes written b
4. Baseball
   1. base
   2. baseman
   3. batter
5. Music
   1. bass
   2. basso
6. battery
7. Baumé
8. bay
9. Physics bel
10. Bible
11. billion
12. Chess bishop
13. bolívar
14. book
15. born
16. brightness
17. breadth
18. British
19. brother
20. Brotherhood

1. Chem. boron
2. Physics magnetic flux density